Galbraith Line RD over Black River
Poor Condition41 years old1,761 vehicles/day
Location
| State | Michigan |
| County | Sanilac |
| Location | Sec 20-29 Worth Twp |
| Carries | Galbraith Line RD |
| Crosses | Black River |
| Coordinates | 43.19366, -82.62207 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 3 (Serious) |
| Superstructure | 3 (Serious) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 245.1 ft (74.7 m) |
| Max Span | 81.4 ft (24.8 m) |
| Deck Width | 44.3 ft (13.5 m) |
| Deck Area | 1008.5 sq m |
| Main Spans | 3 |
| Year Built | 1985 |
Traffic
| Avg Daily Traffic | 1,761 (2020) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000009520 |